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Dictionary » A » Anaerobic

Anaerobic

Definition

adjective

(1) Not requiring, or capable of occurring, in the absence of air or free oxygen.

(2) Caused by, or relating to, the lack of molecular oxygen.


Supplement

Anaerobic may be used to describe an organism, a cell, a process or a mechanism that can function without air (i.e. air to generally mean oxygen). This is in contrast to the term aerobic, which means requiring air or free oxygen.


Word origin: from French anaérobie, coined in 1863 by Louis Pasteur, from Greek an- ("without") + aer ("air") + bios ("life").
Related forms: anaerobe (noun), anaerobically (adverb).

Compare: aerobic

Related terms:


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Results from our forum


Re:

... oxygen. Being able to utilize oxygen gave also an enormous competitive edge because oxygen was most likely toxic to early organisms relying on anaerobic metabolism, but that alone would not drive evolution towards more complex life forms - just towards a switch from anaerobic metabolism to ...

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by biohazard
Fri Nov 30, 2012 8:21 am
 
Forum: Evolution
Topic: Is evolution as simple as we think?
Replies: 11
Views: 2122

question in anaerobic respiration

Does NADH get oxidised to NAD+ during anaerobic respiration?

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by ladygagarocks
Sun Nov 04, 2012 11:05 am
 
Forum: Cell Biology
Topic: question in anaerobic respiration
Replies: 1
Views: 824

How does pH change during sporulation? - Help

... a shaker, and samples. At no point were nutrients added/removed. At first I thought maybe it had to do with lactic acid production if the thing is anaerobic...but I think my species is aerobic/facultative (commonly found in soil, actually). So I really doubt it would've produced any acid to result ...

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by keetner
Mon Oct 22, 2012 10:22 pm
 
Forum: Microbiology
Topic: How does pH change during sporulation? - Help
Replies: 2
Views: 557

Blue Blood For A Science Project

... but both of them are unmistakably red, not blue. If that does not convince you, go to your nearest hospital and take a look when they draw an anaerobic blood culture sample. The sample is taken into a vial that contains no oxygen (oxygen is toxic to anaerobic bacteria that they look from the ...

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by biohazard
Thu Sep 27, 2012 9:08 am
 
Forum: Human Biology
Topic: Blue Blood For A Science Project
Replies: 13
Views: 1682

Re: What is a Bioreactor?

... is carried out which involves organisms or biochemically active substances derived from such organisms. This process can either be aerobic or anaerobic. These directors are commonly cylindrical, ranging in size from liters to cubic meters, and are often made of stainless steel.

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by way2jordan
Mon Aug 13, 2012 12:09 pm
 
Forum: Microbiology
Topic: What is a Bioreactor?
Replies: 4
Views: 3508
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